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学科主题: 物理化学
题名: Observation of Heptamethylbenzenium Cation over SAPO-Type Molecular Sieve DNL-6 under Real MTO Conversion Conditions
作者: Li, Jinzhe1;  Wei, Yingxu1;  Chen, Jingrun1, 2;  Tian, Peng1;  Su, Xiong1, 2;  Xu, Shutao1;  Qi, Yue1;  Wang, Quanyi1, 2;  Zhou, You1, 2;  He, Yanli1;  Liu, Zhongmin1
通讯作者: 刘中民
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2012-01-18
DOI: 10.1021/ja209950x
卷: 134, 期:2, 页:836-839
收录类别: SCI
文章类型: Article
部门归属: DNL12
项目归属: 1201
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The heptamethylbenzenium cation (heptaMB(+)) has been speculated to be one of the most important active intermediates involved in the "hydrocarbon pool" mechanism of methanol-to-olefin (MTO) conversion. By the use of DNL-6, a newly synthesized SAPO-type molecular sieve with large cavities, heptaMB(+) has for the first time been directly observed during methanol conversion under real working conditions. C-13-labeling experiments suggested that olefin formation mediated by heptaMB(+) mainly follows the side-chain mechanism.
关键词[WOS]: TO-OLEFIN CATALYSIS ;  HYDROCARBON POOL MECHANISM ;  ZEOLITE H-BETA ;  IN-SITU NMR ;  CARBENIUM IONS ;  CO-REACTION ;  METHANOL ;  HSAPO-34 ;  DEACTIVATION ;  CHEMISTRY
语种: 英语
WOS记录号: WOS:000301084300024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118395
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Natl Engn Lab Methanol Olefins, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Li, Jinzhe,Wei, Yingxu,Chen, Jingrun,et al. Observation of Heptamethylbenzenium Cation over SAPO-Type Molecular Sieve DNL-6 under Real MTO Conversion Conditions[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2012,134(2):836-839.
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